Dear all, For anyone interested I am writing a book on my great grandfather, the war artist Joseph Gray. Joe served in 4th Black Watch in WW1 and was a camouflage artist in WW2. It's a great story https://unbound.com/books/joseph-grays-camouflage/ Joseph Gray's Camouflage unbound.com A memoir of the artist and camouflage pioneer spanning two world wars